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In an effort to improve on my image of the Bubble Nebula from a few years ago, I decided that my existing data needed a longer integration time...... so at a total integration time of just over 26 hours here's the result. The image, taken with my Esprit 150, is an LRGB rendition with an Ha blend into the Red and Lum channels. I was particularly interested in seeing how much detail I could extract on the bubble itself, so I decided that it looks best cropped.
LIGHTS: L: 33, R: 27, G:27, B:23 x 600s, Ha:16 x1800s, BIAS:100, DARKS:20, FLATS:40 all at -20C.
As new condition ultra narrowband 1.25" Baader filter. 3.5nm bandpass for nice small stars.
Bought and loved it, but using a DSLR again and have no use for this filter.
£140, can post.
Selling my full narrowband set up for multiple reasons: I could do with the money and mono just isn't really doing it for me.
Altair Astro 183m Tec
Baader Narrowband filters (Ha, OIII, SII and Clear)
ZWO Electronic Mini Filter Wheel
All associated cables/plugs
T2 extensions to reach 55mm back focus for use with reducers
Boxes and cases
There is a scratch on the T2-T2 adaptor for the filter wheel and a couple of the labels on the filter boxes have been torn. But otherwise the important parts work perfectly well.
Collection or postage via DPD.
Buyer to pay postage and PayPal fees.
No offers currently accepted, and I would rather not split
Hello, this is my first attempt on NGC 7635 with my skywatcher 250pds on an NEQ6 synscan mount. These are 7min subs stacked to a total exposure of 5 hours taken with my unmodified canon 700d and a skytech cls filter. No coma corrector was used as I haven't gotten one yet. I'm just wondering how I could make my images look clearer when zoomed in and improve them overall as I can see the image gets more blurry when I zoom in onto the bubble, should I use a higher magnification? Do I need to take more darks to get rid of the redness around the image ? Or perhaps I stretched the image too much in Photoshop? I used 10 darks, 60 bias and 60 flat frames.
Update: I have now further processed my image with greater care and got a much better result.